From mboxrd@z Thu Jan 1 00:00:00 1970 From: Szabolcs Nagy Subject: Re: [PATCH v5 1/2] arm64: Define Documentation/arm64/tagged-address-abi.txt Date: Tue, 18 Jun 2019 11:02:48 +0000 Message-ID: <397f0460-9ecf-f8f9-a8ea-42959be580ae@arm.com> References: <20190613155137.47675-1-vincenzo.frascino@arm.com> <20190613155137.47675-2-vincenzo.frascino@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190613155137.47675-2-vincenzo.frascino@arm.com> Content-Language: en-US Content-ID: <003D0C41A93AA241BE8BCFC79F9E2FB8@eurprd08.prod.outlook.com> Sender: linux-kernel-owner@vger.kernel.org To: Vincenzo Frascino , "linux-arm-kernel@lists.infradead.org" , "linux-doc@vger.kernel.org" , "linux-mm@kvack.org" , "linux-arch@vger.kernel.org" , "linux-kselftest@vger.kernel.org" , "linux-kernel@vger.kernel.org" Cc: nd , Catalin Marinas , Will Deacon , Andrey Konovalov , Alexander Viro List-Id: linux-arch.vger.kernel.org T24gMTMvMDYvMjAxOSAxNjo1MSwgVmluY2Vuem8gRnJhc2Npbm8gd3JvdGU6DQo+IE9uIGFybTY0 IHRoZSBUQ1JfRUwxLlRCSTAgYml0IGhhcyBiZWVuIGFsd2F5cyBlbmFibGVkIGhlbmNlDQo+IHRo ZSB1c2Vyc3BhY2UgKEVMMCkgaXMgYWxsb3dlZCB0byBzZXQgYSBub24temVybyB2YWx1ZSBpbiB0 aGUNCj4gdG9wIGJ5dGUgYnV0IHRoZSByZXN1bHRpbmcgcG9pbnRlcnMgYXJlIG5vdCBhbGxvd2Vk IGF0IHRoZQ0KPiB1c2VyLWtlcm5lbCBzeXNjYWxsIEFCSSBib3VuZGFyeS4NCj4gDQo+IFdpdGgg dGhlIHJlbGF4ZWQgQUJJIHByb3Bvc2VkIHRocm91Z2ggdGhpcyBkb2N1bWVudCwgaXQgaXMgbm93 IHBvc3NpYmxlDQo+IHRvIHBhc3MgdGFnZ2VkIHBvaW50ZXJzIHRvIHRoZSBzeXNjYWxscywgd2hl biB0aGVzZSBwb2ludGVycyBhcmUgaW4NCj4gbWVtb3J5IHJhbmdlcyBvYnRhaW5lZCBieSBhbiBh bm9ueW1vdXMgKE1BUF9BTk9OWU1PVVMpIG1tYXAoKS4NCj4gDQo+IFRoaXMgY2hhbmdlIGluIHRo ZSBBQkkgcmVxdWlyZXMgYSBtZWNoYW5pc20gdG8gcmVxdWlyZXMgdGhlIHVzZXJzcGFjZQ0KPiB0 byBvcHQtaW4gdG8gc3VjaCBhbiBvcHRpb24uDQo+IA0KPiBTcGVjaWZ5IGFuZCBkb2N1bWVudCB0 aGUgd2F5IGluIHdoaWNoIHN5c2N0bCBhbmQgcHJjdGwoKSBjYW4gYmUgdXNlZA0KPiBpbiBjb21i aW5hdGlvbiB0byBhbGxvdyB0aGUgdXNlcnNwYWNlIHRvIG9wdC1pbiB0aGlzIGZlYXR1cmUuDQo+ IA0KPiBDYzogQ2F0YWxpbiBNYXJpbmFzIDxjYXRhbGluLm1hcmluYXNAYXJtLmNvbT4NCj4gQ2M6 IFdpbGwgRGVhY29uIDx3aWxsLmRlYWNvbkBhcm0uY29tPg0KPiBDQzogQW5kcmV5IEtvbm92YWxv diA8YW5kcmV5a252bEBnb29nbGUuY29tPg0KPiBTaWduZWQtb2ZmLWJ5OiBWaW5jZW56byBGcmFz Y2lubyA8dmluY2Vuem8uZnJhc2Npbm9AYXJtLmNvbT4NCg0KQWNrZWQtYnk6IFN6YWJvbGNzIE5h Z3kgPHN6YWJvbGNzLm5hZ3lAYXJtLmNvbT4NCg0KPiAtLS0NCj4gIERvY3VtZW50YXRpb24vYXJt NjQvdGFnZ2VkLWFkZHJlc3MtYWJpLnR4dCB8IDEzNCArKysrKysrKysrKysrKysrKysrKysNCj4g IDEgZmlsZSBjaGFuZ2VkLCAxMzQgaW5zZXJ0aW9ucygrKQ0KPiAgY3JlYXRlIG1vZGUgMTAwNjQ0 IERvY3VtZW50YXRpb24vYXJtNjQvdGFnZ2VkLWFkZHJlc3MtYWJpLnR4dA0KPiANCj4gZGlmZiAt LWdpdCBhL0RvY3VtZW50YXRpb24vYXJtNjQvdGFnZ2VkLWFkZHJlc3MtYWJpLnR4dCBiL0RvY3Vt ZW50YXRpb24vYXJtNjQvdGFnZ2VkLWFkZHJlc3MtYWJpLnR4dA0KPiBuZXcgZmlsZSBtb2RlIDEw MDY0NA0KPiBpbmRleCAwMDAwMDAwMDAwMDAuLjBhZTkwMGQ0YmIyZA0KPiAtLS0gL2Rldi9udWxs DQo+ICsrKyBiL0RvY3VtZW50YXRpb24vYXJtNjQvdGFnZ2VkLWFkZHJlc3MtYWJpLnR4dA0KPiBA QCAtMCwwICsxLDEzNCBAQA0KPiArQVJNNjQgVEFHR0VEIEFERFJFU1MgQUJJDQo+ICs9PT09PT09 PT09PT09PT09PT09PT09PT0NCj4gKw0KPiArVGhpcyBkb2N1bWVudCBkZXNjcmliZXMgdGhlIHVz YWdlIGFuZCBzZW1hbnRpY3Mgb2YgdGhlIFRhZ2dlZCBBZGRyZXNzDQo+ICtBQkkgb24gYXJtNjQu DQo+ICsNCj4gKzEuIEludHJvZHVjdGlvbg0KPiArLS0tLS0tLS0tLS0tLS0tDQo+ICsNCj4gK09u IGFybTY0IHRoZSBUQ1JfRUwxLlRCSTAgYml0IGhhcyBiZWVuIGFsd2F5cyBlbmFibGVkIG9uIHRo ZSBrZXJuZWwsIGhlbmNlDQo+ICt0aGUgdXNlcnNwYWNlIChFTDApIGlzIGVudGl0bGVkIHRvIHBl cmZvcm0gYSB1c2VyIG1lbW9yeSBhY2Nlc3MgdGhyb3VnaCBhDQo+ICs2NC1iaXQgcG9pbnRlciB3 aXRoIGEgbm9uLXplcm8gdG9wIGJ5dGUgYnV0IHRoZSByZXN1bHRpbmcgcG9pbnRlcnMgYXJlIG5v dA0KPiArYWxsb3dlZCBhdCB0aGUgdXNlci1rZXJuZWwgc3lzY2FsbCBBQkkgYm91bmRhcnkuDQo+ ICsNCj4gK1RoaXMgZG9jdW1lbnQgZGVzY3JpYmVzIGEgcmVsYXhhdGlvbiBvZiB0aGUgQUJJIHRo YXQgbWFrZXMgaXQgcG9zc2libGUgdG8NCj4gK3RvIHBhc3MgdGFnZ2VkIHBvaW50ZXJzIHRvIHRo ZSBzeXNjYWxscywgd2hlbiB0aGVzZSBwb2ludGVycyBhcmUgaW4gbWVtb3J5DQo+ICtyYW5nZXMg b2J0YWluZWQgYXMgZGVzY3JpYmVkIGluIHNlY3Rpb24gMi4NCj4gKw0KPiArU2luY2UgaXQgaXMg bm90IGRlc2lyYWJsZSB0byByZWxheCB0aGUgQUJJIHRvIGFsbG93IHRhZ2dlZCB1c2VyIGFkZHJl c3Nlcw0KPiAraW50byB0aGUga2VybmVsIGluZGlzY3JpbWluYXRlbHksIGFybTY0IHByb3ZpZGVz IGEgbmV3IHN5c2N0bCBpbnRlcmZhY2UNCj4gKygvcHJvYy9zeXMvYWJpL3RhZ2dlZF9hZGRyKSB0 aGF0IGlzIHVzZWQgdG8gcHJldmVudCB0aGUgYXBwbGljYXRpb25zIGZyb20NCj4gK2VuYWJsaW5n IHRoZSByZWxheGVkIEFCSSBhbmQgYSBuZXcgcHJjdGwoKSBpbnRlcmZhY2UgdGhhdCBjYW4gYmUg dXNlZCB0bw0KPiArZW5hYmxlIG9yIGRpc2FibGUgdGhlIHJlbGF4ZWQgQUJJLg0KPiArQSBkZXRh aWxlZCBkZXNjcmlwdGlvbiBvZiB0aGUgbmV3bHkgaW50cm9kdWNlZCBtZWNoYW5pc21zIHdpbGwg YmUgcHJvdmlkZWQNCj4gK2luIHNlY3Rpb24gMi4NCj4gKw0KPiArMi4gQVJNNjQgVGFnZ2VkIEFk ZHJlc3MgQUJJDQo+ICstLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0NCj4gKw0KPiArRnJvbSB0 aGUga2VybmVsIHN5c2NhbGwgaW50ZXJmYWNlIHBlcnNwZWN0aXZlLCB3ZSBkZWZpbmUsIGZvciB0 aGUgcHVycG9zZXMNCj4gK29mIHRoaXMgZG9jdW1lbnQsIGEgInZhbGlkIHRhZ2dlZCBwb2ludGVy IiBhcyBhIHBvaW50ZXIgdGhhdCBlaXRoZXIgaGFzIGENCj4gK3plcm8gdmFsdWUgc2V0IGluIHRo ZSB0b3AgYnl0ZSBvciBoYXMgYSBub24temVybyB2YWx1ZSwgaXQgaXMgaW4gbWVtb3J5DQo+ICty YW5nZXMgcHJpdmF0ZWx5IG93bmVkIGJ5IGEgdXNlcnNwYWNlIHByb2Nlc3MgYW5kIGl0IGlzIG9i dGFpbmVkIGluIG9uZSBvZg0KPiArdGhlIGZvbGxvd2luZyB3YXlzOg0KPiArICAtIG1tYXAoKSBk b25lIGJ5IHRoZSBwcm9jZXNzIGl0c2VsZiwgd2hlcmUgZWl0aGVyOg0KPiArICAgICogZmxhZ3Mg aGF2ZSBNQVBfUFJJVkFURSBhbmQgTUFQX0FOT05ZTU9VUw0KPiArICAgICogZmxhZ3MgaGF2ZSBN QVBfUFJJVkFURSBhbmQgdGhlIGZpbGUgZGVzY3JpcHRvciByZWZlcnMgdG8gYSByZWd1bGFyDQo+ ICsgICAgICBmaWxlIG9yICIvZGV2L3plcm8iDQo+ICsgIC0gYnJrKCkgc3lzdGVtIGNhbGwgZG9u ZSBieSB0aGUgcHJvY2VzcyBpdHNlbGYgKGkuZS4gdGhlIGhlYXAgYXJlYSBiZXR3ZWVuDQo+ICsg ICAgdGhlIGluaXRpYWwgbG9jYXRpb24gb2YgdGhlIHByb2dyYW0gYnJlYWsgYXQgcHJvY2VzcyBj cmVhdGlvbiBhbmQgaXRzDQo+ICsgICAgY3VycmVudCBsb2NhdGlvbikuDQo+ICsgIC0gYW55IG1l bW9yeSBtYXBwZWQgYnkgdGhlIGtlcm5lbCBpbiB0aGUgcHJvY2VzcydzIGFkZHJlc3Mgc3BhY2Ug ZHVyaW5nDQo+ICsgICAgY3JlYXRpb24gYW5kIGZvbGxvd2luZyB0aGUgcmVzdHJpY3Rpb25zIHBy ZXNlbnRlZCBhYm92ZSAoaS5lLiBkYXRhLCBic3MsDQo+ICsgICAgc3RhY2spLg0KPiArDQo+ICtU aGUgQVJNNjQgVGFnZ2VkIEFkZHJlc3MgQUJJIGlzIGFuIG9wdC1pbiBmZWF0dXJlLCBhbmQgYW4g YXBwbGljYXRpb24gY2FuDQo+ICtjb250cm9sIGl0IHVzaW5nIHRoZSBmb2xsb3dpbmc6DQo+ICsg LSAvcHJvYy9zeXMvYWJpL3RhZ2dlZF9hZGRyOiBhIG5ldyBzeXNjdGwgaW50ZXJmYWNlIHRoYXQg Y2FuIGJlIHVzZWQgdG8NCj4gKyAgICAgICAgcHJldmVudCB0aGUgYXBwbGljYXRpb25zIGZyb20g ZW5hYmxpbmcgdGhlIHJlbGF4ZWQgQUJJLg0KPiArICAgICAgICBUaGUgc3lzY3RsIGlzIG1lYW50 IGFsc28gZm9yIHRlc3RpbmcgcHVycG9zZXMgaW4gb3JkZXIgdG8gcHJvdmlkZSBhDQo+ICsgICAg ICAgIHNpbXBsZSB3YXkgZm9yIHRoZSB1c2Vyc3BhY2UgdG8gdmVyaWZ5IHRoZSByZXR1cm4gZXJy b3IgY2hlY2tpbmcgb2YNCj4gKyAgICAgICAgdGhlIHByY3RsKCkgY29tbWFuZHMgd2l0aG91dCBo YXZpbmcgdG8gcmVjb25maWd1cmUgdGhlIGtlcm5lbC4NCj4gKyAgICAgICAgVGhlIHN5c2N0bCBz dXBwb3J0cyB0aGUgZm9sbG93aW5nIGNvbmZpZ3VyYXRpb24gb3B0aW9uczoNCj4gKyAgICAgICAg IC0gMDogRGlzYWJsZSBBUk02NCBUYWdnZWQgQWRkcmVzcyBBQkkgZm9yIGFsbCB0aGUgYXBwbGlj YXRpb25zLg0KPiArICAgICAgICAgLSAxIChEZWZhdWx0KTogRW5hYmxlIEFSTTY0IFRhZ2dlZCBB ZGRyZXNzIEFCSSBmb3IgYWxsIHRoZQ0KPiArICAgICAgICAgICAgICAgICAgICAgICAgYXBwbGlj YXRpb25zLg0KPiArICAgICAgICBJZiB0aGUgQVJNNjQgVGFnZ2VkIEFkZHJlc3MgQUJJIGlzIGRp c2FibGVkIGF0IGEgY2VydGFpbiBwb2ludCBpbg0KPiArICAgICAgICB0aW1lLCBhbGwgdGhlIGFw cGxpY2F0aW9ucyB0aGF0IHdlcmUgdXNpbmcgdGFnZ2luZyBiZWZvcmUgdGhpcyBldmVudA0KPiAr ICAgICAgICBvY2N1cnMsIHdpbGwgY29udGludWUgdG8gdXNlIHRhZ2dpbmcuDQo+ICsNCj4gKyAt IHByY3RsKClzOg0KPiArICAtIFBSX1NFVF9UQUdHRURfQUREUl9DVFJMOiBjYW4gYmUgdXNlZCB0 byBlbmFibGUgb3IgZGlzYWJsZSB0aGUgVGFnZ2VkDQo+ICsgICAgICAgIEFkZHJlc3MgQUJJLg0K PiArICAgICAgICBUaGUgKHVuc2lnbmVkIGludCkgYXJnMiBhcmd1bWVudCBpcyBhIGJpdCBtYXNr IGRlc2NyaWJpbmcgdGhlDQo+ICsgICAgICAgIGNvbnRyb2wgbW9kZSB1c2VkOg0KPiArICAgICAg ICAgIC0gUFJfVEFHR0VEX0FERFJfRU5BQkxFOiBFbmFibGUgQVJNNjQgVGFnZ2VkIEFkZHJlc3Mg QUJJLg0KPiArICAgICAgICBUaGUgYXJndW1lbnRzIGFyZzMsIGFyZzQsIGFuZCBhcmc1IGFyZSBp Z25vcmVkLg0KPiArDQo+ICsgIC0gUFJfR0VUX1RBR0dFRF9BRERSX0NUUkw6IGNhbiBiZSB1c2Vk IHRvIGNoZWNrIHRoZSBzdGF0dXMgb2YgdGhlIFRhZ2dlZA0KPiArICAgICAgICBBZGRyZXNzIEFC SS4NCj4gKyAgICAgICAgVGhlIGFyZ3VtZW50cyBhcmcyLCBhcmczLCBhcmc0LCBhbmQgYXJnNSBh cmUgaWdub3JlZC4NCj4gKw0KPiArVGhlIEFCSSBwcm9wZXJ0aWVzIHNldCBieSB0aGUgbWVjaGFu aXNtcyBkZXNjcmliZWQgYWJvdmUgYXJlIGluaGVyaXRlZCBieSB0aHJlYWRzDQo+ICtvZiB0aGUg c2FtZSBhcHBsaWNhdGlvbiBhbmQgZm9yaygpJ2VkIGNoaWxkcmVuIGJ1dCBjbGVhcmVkIGJ5IGV4 ZWN2ZSgpLg0KPiArDQo+ICtBcyBhIGNvbnNlcXVlbmNlIG9mIGludm9raW5nIFBSX1NFVF9UQUdH RURfQUREUl9DVFJMIHByY3RsKCkgYnkgYW4gYXBwbGljYXRpb25zLA0KPiArdGhlIEFCSSBndWFy YW50ZWVzIHRoZSBmb2xsb3dpbmcgYmVoYXZpb3VyczoNCj4gKw0KPiArICAtIEV2ZXJ5IGN1cnJl bnQgb3IgbmV3bHkgaW50cm9kdWNlZCBzeXNjYWxsIGNhbiBhY2NlcHQgYW55IHZhbGlkIHRhZ2dl ZA0KPiArICAgIHBvaW50ZXJzLg0KPiArDQo+ICsgIC0gSWYgYSBub24gdmFsaWQgdGFnZ2VkIHBv aW50ZXIgaXMgcGFzc2VkIHRvIGEgc3lzY2FsbCB0aGVuIHRoZSBiZWhhdmlvdXINCj4gKyAgICBp cyB1bmRlZmluZWQuDQo+ICsNCj4gKyAgLSBFdmVyeSB2YWxpZCB0YWdnZWQgcG9pbnRlciBpcyBl eHBlY3RlZCB0byB3b3JrIGFzIGFuIHVudGFnZ2VkIG9uZS4NCj4gKw0KPiArICAtIFRoZSBrZXJu ZWwgcHJlc2VydmVzIGFueSB2YWxpZCB0YWdnZWQgcG9pbnRlcnMgYW5kIHJldHVybnMgdGhlbSB0 byB0aGUNCj4gKyAgICB1c2Vyc3BhY2UgdW5jaGFuZ2VkIChpLmUuIG9uIHN5c2NhbGwgcmV0dXJu KSBpbiBhbGwgdGhlIGNhc2VzIGV4Y2VwdCB0aGUNCj4gKyAgICBvbmVzIGRvY3VtZW50ZWQgaW4g dGhlICJQcmVzZXJ2aW5nIHRhZ3MiIHNlY3Rpb24gb2YgdGFnZ2VkLXBvaW50ZXJzLnR4dC4NCj4g Kw0KPiArQSBkZWZpbml0aW9uIG9mIHRoZSBtZWFuaW5nIG9mIHRhZ2dlZCBwb2ludGVycyBvbiBh cm02NCBjYW4gYmUgZm91bmQgaW46DQo+ICtEb2N1bWVudGF0aW9uL2FybTY0L3RhZ2dlZC1wb2lu dGVycy50eHQuDQo+ICsNCj4gKzMuIEFSTTY0IFRhZ2dlZCBBZGRyZXNzIEFCSSBFeGNlcHRpb25z DQo+ICstLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQ0KPiArDQo+ICtUaGUg YmVoYXZpb3VycyBkZXNjcmliZWQgaW4gc2VjdGlvbiAyLCB3aXRoIHBhcnRpY3VsYXIgcmVmZXJl bmNlIHRvIHRoZQ0KPiArYWNjZXB0YW5jZSBieSB0aGUgc3lzY2FsbHMgb2YgYW55IHZhbGlkIHRh Z2dlZCBwb2ludGVyIGFyZSBub3QgYXBwbGljYWJsZQ0KPiArdG8gdGhlIGZvbGxvd2luZyBjYXNl czoNCj4gKyAgLSBtbWFwKCkgYWRkciBwYXJhbWV0ZXIuDQo+ICsgIC0gbXJlbWFwKCkgbmV3X2Fk ZHJlc3MgcGFyYW1ldGVyLg0KPiArICAtIHByY3RsX3NldF9tbSgpIHN0cnVjdCBwcmN0bF9tYXAg ZmllbGRzLg0KPiArICAtIHByY3RsX3NldF9tbV9tYXAoKSBzdHJ1Y3QgcHJjdGxfbWFwIGZpZWxk cy4NCj4gKw0KPiArQW55IGF0dGVtcHQgdG8gdXNlIG5vbi16ZXJvIHRhZ2dlZCBwb2ludGVycyB3 aWxsIGxlYWQgdG8gdW5kZWZpbmVkIGJlaGF2aW91ci4NCj4gKw0KPiArNC4gRXhhbXBsZSBvZiBj b3JyZWN0IHVzYWdlDQo+ICstLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0NCj4gKw0KPiArdm9p ZCBtYWluKHZvaWQpDQo+ICt7DQo+ICsJc3RhdGljIGludCB0YmlfZW5hYmxlZCA9IDA7DQo+ICsJ dW5zaWduZWQgbG9uZyB0YWcgPSAwOw0KPiArDQo+ICsJY2hhciAqcHRyID0gbW1hcChOVUxMLCBQ QUdFX1NJWkUsIFBST1RfUkVBRCB8IFBST1RfV1JJVEUsDQo+ICsJCQkgTUFQX0FOT05ZTU9VUywg LTEsIDApOw0KPiArDQo+ICsJaWYgKHByY3RsKFBSX1NFVF9UQUdHRURfQUREUl9DVFJMLCBQUl9U QUdHRURfQUREUl9FTkFCTEUsDQo+ICsJCSAgMCwgMCwgMCkgPT0gMCkNCj4gKwkJdGJpX2VuYWJs ZWQgPSAxOw0KPiArDQo+ICsJaWYgKHB0ciA9PSAodm9pZCAqKS0xKSAvKiBNQVBfRkFJTEVEICov DQo+ICsJCXJldHVybiAtMTsNCj4gKw0KPiArCWlmICh0YmlfZW5hYmxlZCkNCj4gKwkJdGFnID0g cmFuZCgpICYgMHhmZjsNCj4gKw0KPiArCXB0ciA9IChjaGFyICopKCh1bnNpZ25lZCBsb25nKXB0 ciB8ICh0YWcgPDwgVEFHX1NISUZUKSk7DQo+ICsNCj4gKwkqcHRyID0gJ2EnOw0KPiArDQo+ICsJ Li4uDQo+ICt9DQo+ICsNCj4gDQoNCg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-eopbgr40040.outbound.protection.outlook.com ([40.107.4.40]:22598 "EHLO EUR03-DB5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729635AbfFRLCx (ORCPT ); Tue, 18 Jun 2019 07:02:53 -0400 From: Szabolcs Nagy Subject: Re: [PATCH v5 1/2] arm64: Define Documentation/arm64/tagged-address-abi.txt Date: Tue, 18 Jun 2019 11:02:48 +0000 Message-ID: <397f0460-9ecf-f8f9-a8ea-42959be580ae@arm.com> References: <20190613155137.47675-1-vincenzo.frascino@arm.com> <20190613155137.47675-2-vincenzo.frascino@arm.com> In-Reply-To: <20190613155137.47675-2-vincenzo.frascino@arm.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <003D0C41A93AA241BE8BCFC79F9E2FB8@eurprd08.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-arch-owner@vger.kernel.org List-ID: To: Vincenzo Frascino , "linux-arm-kernel@lists.infradead.org" , "linux-doc@vger.kernel.org" , "linux-mm@kvack.org" , "linux-arch@vger.kernel.org" , "linux-kselftest@vger.kernel.org" , "linux-kernel@vger.kernel.org" Cc: nd , Catalin Marinas , Will Deacon , Andrey Konovalov , Alexander Viro Message-ID: <20190618110248.HAQHMoCFTAQGuH_e9jOxEkalSnD9BTpsYSxHf3jvLoQ@z> T24gMTMvMDYvMjAxOSAxNjo1MSwgVmluY2Vuem8gRnJhc2Npbm8gd3JvdGU6DQo+IE9uIGFybTY0 IHRoZSBUQ1JfRUwxLlRCSTAgYml0IGhhcyBiZWVuIGFsd2F5cyBlbmFibGVkIGhlbmNlDQo+IHRo ZSB1c2Vyc3BhY2UgKEVMMCkgaXMgYWxsb3dlZCB0byBzZXQgYSBub24temVybyB2YWx1ZSBpbiB0 aGUNCj4gdG9wIGJ5dGUgYnV0IHRoZSByZXN1bHRpbmcgcG9pbnRlcnMgYXJlIG5vdCBhbGxvd2Vk IGF0IHRoZQ0KPiB1c2VyLWtlcm5lbCBzeXNjYWxsIEFCSSBib3VuZGFyeS4NCj4gDQo+IFdpdGgg dGhlIHJlbGF4ZWQgQUJJIHByb3Bvc2VkIHRocm91Z2ggdGhpcyBkb2N1bWVudCwgaXQgaXMgbm93 IHBvc3NpYmxlDQo+IHRvIHBhc3MgdGFnZ2VkIHBvaW50ZXJzIHRvIHRoZSBzeXNjYWxscywgd2hl biB0aGVzZSBwb2ludGVycyBhcmUgaW4NCj4gbWVtb3J5IHJhbmdlcyBvYnRhaW5lZCBieSBhbiBh bm9ueW1vdXMgKE1BUF9BTk9OWU1PVVMpIG1tYXAoKS4NCj4gDQo+IFRoaXMgY2hhbmdlIGluIHRo ZSBBQkkgcmVxdWlyZXMgYSBtZWNoYW5pc20gdG8gcmVxdWlyZXMgdGhlIHVzZXJzcGFjZQ0KPiB0 byBvcHQtaW4gdG8gc3VjaCBhbiBvcHRpb24uDQo+IA0KPiBTcGVjaWZ5IGFuZCBkb2N1bWVudCB0 aGUgd2F5IGluIHdoaWNoIHN5c2N0bCBhbmQgcHJjdGwoKSBjYW4gYmUgdXNlZA0KPiBpbiBjb21i aW5hdGlvbiB0byBhbGxvdyB0aGUgdXNlcnNwYWNlIHRvIG9wdC1pbiB0aGlzIGZlYXR1cmUuDQo+ IA0KPiBDYzogQ2F0YWxpbiBNYXJpbmFzIDxjYXRhbGluLm1hcmluYXNAYXJtLmNvbT4NCj4gQ2M6 IFdpbGwgRGVhY29uIDx3aWxsLmRlYWNvbkBhcm0uY29tPg0KPiBDQzogQW5kcmV5IEtvbm92YWxv diA8YW5kcmV5a252bEBnb29nbGUuY29tPg0KPiBTaWduZWQtb2ZmLWJ5OiBWaW5jZW56byBGcmFz Y2lubyA8dmluY2Vuem8uZnJhc2Npbm9AYXJtLmNvbT4NCg0KQWNrZWQtYnk6IFN6YWJvbGNzIE5h Z3kgPHN6YWJvbGNzLm5hZ3lAYXJtLmNvbT4NCg0KPiAtLS0NCj4gIERvY3VtZW50YXRpb24vYXJt NjQvdGFnZ2VkLWFkZHJlc3MtYWJpLnR4dCB8IDEzNCArKysrKysrKysrKysrKysrKysrKysNCj4g IDEgZmlsZSBjaGFuZ2VkLCAxMzQgaW5zZXJ0aW9ucygrKQ0KPiAgY3JlYXRlIG1vZGUgMTAwNjQ0 IERvY3VtZW50YXRpb24vYXJtNjQvdGFnZ2VkLWFkZHJlc3MtYWJpLnR4dA0KPiANCj4gZGlmZiAt LWdpdCBhL0RvY3VtZW50YXRpb24vYXJtNjQvdGFnZ2VkLWFkZHJlc3MtYWJpLnR4dCBiL0RvY3Vt ZW50YXRpb24vYXJtNjQvdGFnZ2VkLWFkZHJlc3MtYWJpLnR4dA0KPiBuZXcgZmlsZSBtb2RlIDEw MDY0NA0KPiBpbmRleCAwMDAwMDAwMDAwMDAuLjBhZTkwMGQ0YmIyZA0KPiAtLS0gL2Rldi9udWxs DQo+ICsrKyBiL0RvY3VtZW50YXRpb24vYXJtNjQvdGFnZ2VkLWFkZHJlc3MtYWJpLnR4dA0KPiBA QCAtMCwwICsxLDEzNCBAQA0KPiArQVJNNjQgVEFHR0VEIEFERFJFU1MgQUJJDQo+ICs9PT09PT09 PT09PT09PT09PT09PT09PT0NCj4gKw0KPiArVGhpcyBkb2N1bWVudCBkZXNjcmliZXMgdGhlIHVz YWdlIGFuZCBzZW1hbnRpY3Mgb2YgdGhlIFRhZ2dlZCBBZGRyZXNzDQo+ICtBQkkgb24gYXJtNjQu DQo+ICsNCj4gKzEuIEludHJvZHVjdGlvbg0KPiArLS0tLS0tLS0tLS0tLS0tDQo+ICsNCj4gK09u IGFybTY0IHRoZSBUQ1JfRUwxLlRCSTAgYml0IGhhcyBiZWVuIGFsd2F5cyBlbmFibGVkIG9uIHRo ZSBrZXJuZWwsIGhlbmNlDQo+ICt0aGUgdXNlcnNwYWNlIChFTDApIGlzIGVudGl0bGVkIHRvIHBl cmZvcm0gYSB1c2VyIG1lbW9yeSBhY2Nlc3MgdGhyb3VnaCBhDQo+ICs2NC1iaXQgcG9pbnRlciB3 aXRoIGEgbm9uLXplcm8gdG9wIGJ5dGUgYnV0IHRoZSByZXN1bHRpbmcgcG9pbnRlcnMgYXJlIG5v dA0KPiArYWxsb3dlZCBhdCB0aGUgdXNlci1rZXJuZWwgc3lzY2FsbCBBQkkgYm91bmRhcnkuDQo+ ICsNCj4gK1RoaXMgZG9jdW1lbnQgZGVzY3JpYmVzIGEgcmVsYXhhdGlvbiBvZiB0aGUgQUJJIHRo YXQgbWFrZXMgaXQgcG9zc2libGUgdG8NCj4gK3RvIHBhc3MgdGFnZ2VkIHBvaW50ZXJzIHRvIHRo ZSBzeXNjYWxscywgd2hlbiB0aGVzZSBwb2ludGVycyBhcmUgaW4gbWVtb3J5DQo+ICtyYW5nZXMg b2J0YWluZWQgYXMgZGVzY3JpYmVkIGluIHNlY3Rpb24gMi4NCj4gKw0KPiArU2luY2UgaXQgaXMg bm90IGRlc2lyYWJsZSB0byByZWxheCB0aGUgQUJJIHRvIGFsbG93IHRhZ2dlZCB1c2VyIGFkZHJl c3Nlcw0KPiAraW50byB0aGUga2VybmVsIGluZGlzY3JpbWluYXRlbHksIGFybTY0IHByb3ZpZGVz IGEgbmV3IHN5c2N0bCBpbnRlcmZhY2UNCj4gKygvcHJvYy9zeXMvYWJpL3RhZ2dlZF9hZGRyKSB0 aGF0IGlzIHVzZWQgdG8gcHJldmVudCB0aGUgYXBwbGljYXRpb25zIGZyb20NCj4gK2VuYWJsaW5n IHRoZSByZWxheGVkIEFCSSBhbmQgYSBuZXcgcHJjdGwoKSBpbnRlcmZhY2UgdGhhdCBjYW4gYmUg dXNlZCB0bw0KPiArZW5hYmxlIG9yIGRpc2FibGUgdGhlIHJlbGF4ZWQgQUJJLg0KPiArQSBkZXRh aWxlZCBkZXNjcmlwdGlvbiBvZiB0aGUgbmV3bHkgaW50cm9kdWNlZCBtZWNoYW5pc21zIHdpbGwg YmUgcHJvdmlkZWQNCj4gK2luIHNlY3Rpb24gMi4NCj4gKw0KPiArMi4gQVJNNjQgVGFnZ2VkIEFk ZHJlc3MgQUJJDQo+ICstLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0NCj4gKw0KPiArRnJvbSB0 aGUga2VybmVsIHN5c2NhbGwgaW50ZXJmYWNlIHBlcnNwZWN0aXZlLCB3ZSBkZWZpbmUsIGZvciB0 aGUgcHVycG9zZXMNCj4gK29mIHRoaXMgZG9jdW1lbnQsIGEgInZhbGlkIHRhZ2dlZCBwb2ludGVy IiBhcyBhIHBvaW50ZXIgdGhhdCBlaXRoZXIgaGFzIGENCj4gK3plcm8gdmFsdWUgc2V0IGluIHRo ZSB0b3AgYnl0ZSBvciBoYXMgYSBub24temVybyB2YWx1ZSwgaXQgaXMgaW4gbWVtb3J5DQo+ICty YW5nZXMgcHJpdmF0ZWx5IG93bmVkIGJ5IGEgdXNlcnNwYWNlIHByb2Nlc3MgYW5kIGl0IGlzIG9i dGFpbmVkIGluIG9uZSBvZg0KPiArdGhlIGZvbGxvd2luZyB3YXlzOg0KPiArICAtIG1tYXAoKSBk b25lIGJ5IHRoZSBwcm9jZXNzIGl0c2VsZiwgd2hlcmUgZWl0aGVyOg0KPiArICAgICogZmxhZ3Mg aGF2ZSBNQVBfUFJJVkFURSBhbmQgTUFQX0FOT05ZTU9VUw0KPiArICAgICogZmxhZ3MgaGF2ZSBN QVBfUFJJVkFURSBhbmQgdGhlIGZpbGUgZGVzY3JpcHRvciByZWZlcnMgdG8gYSByZWd1bGFyDQo+ ICsgICAgICBmaWxlIG9yICIvZGV2L3plcm8iDQo+ICsgIC0gYnJrKCkgc3lzdGVtIGNhbGwgZG9u ZSBieSB0aGUgcHJvY2VzcyBpdHNlbGYgKGkuZS4gdGhlIGhlYXAgYXJlYSBiZXR3ZWVuDQo+ICsg ICAgdGhlIGluaXRpYWwgbG9jYXRpb24gb2YgdGhlIHByb2dyYW0gYnJlYWsgYXQgcHJvY2VzcyBj cmVhdGlvbiBhbmQgaXRzDQo+ICsgICAgY3VycmVudCBsb2NhdGlvbikuDQo+ICsgIC0gYW55IG1l bW9yeSBtYXBwZWQgYnkgdGhlIGtlcm5lbCBpbiB0aGUgcHJvY2VzcydzIGFkZHJlc3Mgc3BhY2Ug ZHVyaW5nDQo+ICsgICAgY3JlYXRpb24gYW5kIGZvbGxvd2luZyB0aGUgcmVzdHJpY3Rpb25zIHBy ZXNlbnRlZCBhYm92ZSAoaS5lLiBkYXRhLCBic3MsDQo+ICsgICAgc3RhY2spLg0KPiArDQo+ICtU aGUgQVJNNjQgVGFnZ2VkIEFkZHJlc3MgQUJJIGlzIGFuIG9wdC1pbiBmZWF0dXJlLCBhbmQgYW4g YXBwbGljYXRpb24gY2FuDQo+ICtjb250cm9sIGl0IHVzaW5nIHRoZSBmb2xsb3dpbmc6DQo+ICsg LSAvcHJvYy9zeXMvYWJpL3RhZ2dlZF9hZGRyOiBhIG5ldyBzeXNjdGwgaW50ZXJmYWNlIHRoYXQg Y2FuIGJlIHVzZWQgdG8NCj4gKyAgICAgICAgcHJldmVudCB0aGUgYXBwbGljYXRpb25zIGZyb20g ZW5hYmxpbmcgdGhlIHJlbGF4ZWQgQUJJLg0KPiArICAgICAgICBUaGUgc3lzY3RsIGlzIG1lYW50 IGFsc28gZm9yIHRlc3RpbmcgcHVycG9zZXMgaW4gb3JkZXIgdG8gcHJvdmlkZSBhDQo+ICsgICAg ICAgIHNpbXBsZSB3YXkgZm9yIHRoZSB1c2Vyc3BhY2UgdG8gdmVyaWZ5IHRoZSByZXR1cm4gZXJy b3IgY2hlY2tpbmcgb2YNCj4gKyAgICAgICAgdGhlIHByY3RsKCkgY29tbWFuZHMgd2l0aG91dCBo YXZpbmcgdG8gcmVjb25maWd1cmUgdGhlIGtlcm5lbC4NCj4gKyAgICAgICAgVGhlIHN5c2N0bCBz dXBwb3J0cyB0aGUgZm9sbG93aW5nIGNvbmZpZ3VyYXRpb24gb3B0aW9uczoNCj4gKyAgICAgICAg IC0gMDogRGlzYWJsZSBBUk02NCBUYWdnZWQgQWRkcmVzcyBBQkkgZm9yIGFsbCB0aGUgYXBwbGlj YXRpb25zLg0KPiArICAgICAgICAgLSAxIChEZWZhdWx0KTogRW5hYmxlIEFSTTY0IFRhZ2dlZCBB ZGRyZXNzIEFCSSBmb3IgYWxsIHRoZQ0KPiArICAgICAgICAgICAgICAgICAgICAgICAgYXBwbGlj YXRpb25zLg0KPiArICAgICAgICBJZiB0aGUgQVJNNjQgVGFnZ2VkIEFkZHJlc3MgQUJJIGlzIGRp c2FibGVkIGF0IGEgY2VydGFpbiBwb2ludCBpbg0KPiArICAgICAgICB0aW1lLCBhbGwgdGhlIGFw cGxpY2F0aW9ucyB0aGF0IHdlcmUgdXNpbmcgdGFnZ2luZyBiZWZvcmUgdGhpcyBldmVudA0KPiAr ICAgICAgICBvY2N1cnMsIHdpbGwgY29udGludWUgdG8gdXNlIHRhZ2dpbmcuDQo+ICsNCj4gKyAt IHByY3RsKClzOg0KPiArICAtIFBSX1NFVF9UQUdHRURfQUREUl9DVFJMOiBjYW4gYmUgdXNlZCB0 byBlbmFibGUgb3IgZGlzYWJsZSB0aGUgVGFnZ2VkDQo+ICsgICAgICAgIEFkZHJlc3MgQUJJLg0K PiArICAgICAgICBUaGUgKHVuc2lnbmVkIGludCkgYXJnMiBhcmd1bWVudCBpcyBhIGJpdCBtYXNr IGRlc2NyaWJpbmcgdGhlDQo+ICsgICAgICAgIGNvbnRyb2wgbW9kZSB1c2VkOg0KPiArICAgICAg ICAgIC0gUFJfVEFHR0VEX0FERFJfRU5BQkxFOiBFbmFibGUgQVJNNjQgVGFnZ2VkIEFkZHJlc3Mg QUJJLg0KPiArICAgICAgICBUaGUgYXJndW1lbnRzIGFyZzMsIGFyZzQsIGFuZCBhcmc1IGFyZSBp Z25vcmVkLg0KPiArDQo+ICsgIC0gUFJfR0VUX1RBR0dFRF9BRERSX0NUUkw6IGNhbiBiZSB1c2Vk IHRvIGNoZWNrIHRoZSBzdGF0dXMgb2YgdGhlIFRhZ2dlZA0KPiArICAgICAgICBBZGRyZXNzIEFC SS4NCj4gKyAgICAgICAgVGhlIGFyZ3VtZW50cyBhcmcyLCBhcmczLCBhcmc0LCBhbmQgYXJnNSBh cmUgaWdub3JlZC4NCj4gKw0KPiArVGhlIEFCSSBwcm9wZXJ0aWVzIHNldCBieSB0aGUgbWVjaGFu aXNtcyBkZXNjcmliZWQgYWJvdmUgYXJlIGluaGVyaXRlZCBieSB0aHJlYWRzDQo+ICtvZiB0aGUg c2FtZSBhcHBsaWNhdGlvbiBhbmQgZm9yaygpJ2VkIGNoaWxkcmVuIGJ1dCBjbGVhcmVkIGJ5IGV4 ZWN2ZSgpLg0KPiArDQo+ICtBcyBhIGNvbnNlcXVlbmNlIG9mIGludm9raW5nIFBSX1NFVF9UQUdH RURfQUREUl9DVFJMIHByY3RsKCkgYnkgYW4gYXBwbGljYXRpb25zLA0KPiArdGhlIEFCSSBndWFy YW50ZWVzIHRoZSBmb2xsb3dpbmcgYmVoYXZpb3VyczoNCj4gKw0KPiArICAtIEV2ZXJ5IGN1cnJl bnQgb3IgbmV3bHkgaW50cm9kdWNlZCBzeXNjYWxsIGNhbiBhY2NlcHQgYW55IHZhbGlkIHRhZ2dl ZA0KPiArICAgIHBvaW50ZXJzLg0KPiArDQo+ICsgIC0gSWYgYSBub24gdmFsaWQgdGFnZ2VkIHBv aW50ZXIgaXMgcGFzc2VkIHRvIGEgc3lzY2FsbCB0aGVuIHRoZSBiZWhhdmlvdXINCj4gKyAgICBp cyB1bmRlZmluZWQuDQo+ICsNCj4gKyAgLSBFdmVyeSB2YWxpZCB0YWdnZWQgcG9pbnRlciBpcyBl eHBlY3RlZCB0byB3b3JrIGFzIGFuIHVudGFnZ2VkIG9uZS4NCj4gKw0KPiArICAtIFRoZSBrZXJu ZWwgcHJlc2VydmVzIGFueSB2YWxpZCB0YWdnZWQgcG9pbnRlcnMgYW5kIHJldHVybnMgdGhlbSB0 byB0aGUNCj4gKyAgICB1c2Vyc3BhY2UgdW5jaGFuZ2VkIChpLmUuIG9uIHN5c2NhbGwgcmV0dXJu KSBpbiBhbGwgdGhlIGNhc2VzIGV4Y2VwdCB0aGUNCj4gKyAgICBvbmVzIGRvY3VtZW50ZWQgaW4g dGhlICJQcmVzZXJ2aW5nIHRhZ3MiIHNlY3Rpb24gb2YgdGFnZ2VkLXBvaW50ZXJzLnR4dC4NCj4g Kw0KPiArQSBkZWZpbml0aW9uIG9mIHRoZSBtZWFuaW5nIG9mIHRhZ2dlZCBwb2ludGVycyBvbiBh cm02NCBjYW4gYmUgZm91bmQgaW46DQo+ICtEb2N1bWVudGF0aW9uL2FybTY0L3RhZ2dlZC1wb2lu dGVycy50eHQuDQo+ICsNCj4gKzMuIEFSTTY0IFRhZ2dlZCBBZGRyZXNzIEFCSSBFeGNlcHRpb25z DQo+ICstLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQ0KPiArDQo+ICtUaGUg YmVoYXZpb3VycyBkZXNjcmliZWQgaW4gc2VjdGlvbiAyLCB3aXRoIHBhcnRpY3VsYXIgcmVmZXJl bmNlIHRvIHRoZQ0KPiArYWNjZXB0YW5jZSBieSB0aGUgc3lzY2FsbHMgb2YgYW55IHZhbGlkIHRh Z2dlZCBwb2ludGVyIGFyZSBub3QgYXBwbGljYWJsZQ0KPiArdG8gdGhlIGZvbGxvd2luZyBjYXNl czoNCj4gKyAgLSBtbWFwKCkgYWRkciBwYXJhbWV0ZXIuDQo+ICsgIC0gbXJlbWFwKCkgbmV3X2Fk ZHJlc3MgcGFyYW1ldGVyLg0KPiArICAtIHByY3RsX3NldF9tbSgpIHN0cnVjdCBwcmN0bF9tYXAg ZmllbGRzLg0KPiArICAtIHByY3RsX3NldF9tbV9tYXAoKSBzdHJ1Y3QgcHJjdGxfbWFwIGZpZWxk cy4NCj4gKw0KPiArQW55IGF0dGVtcHQgdG8gdXNlIG5vbi16ZXJvIHRhZ2dlZCBwb2ludGVycyB3 aWxsIGxlYWQgdG8gdW5kZWZpbmVkIGJlaGF2aW91ci4NCj4gKw0KPiArNC4gRXhhbXBsZSBvZiBj b3JyZWN0IHVzYWdlDQo+ICstLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0NCj4gKw0KPiArdm9p ZCBtYWluKHZvaWQpDQo+ICt7DQo+ICsJc3RhdGljIGludCB0YmlfZW5hYmxlZCA9IDA7DQo+ICsJ dW5zaWduZWQgbG9uZyB0YWcgPSAwOw0KPiArDQo+ICsJY2hhciAqcHRyID0gbW1hcChOVUxMLCBQ QUdFX1NJWkUsIFBST1RfUkVBRCB8IFBST1RfV1JJVEUsDQo+ICsJCQkgTUFQX0FOT05ZTU9VUywg LTEsIDApOw0KPiArDQo+ICsJaWYgKHByY3RsKFBSX1NFVF9UQUdHRURfQUREUl9DVFJMLCBQUl9U QUdHRURfQUREUl9FTkFCTEUsDQo+ICsJCSAgMCwgMCwgMCkgPT0gMCkNCj4gKwkJdGJpX2VuYWJs ZWQgPSAxOw0KPiArDQo+ICsJaWYgKHB0ciA9PSAodm9pZCAqKS0xKSAvKiBNQVBfRkFJTEVEICov DQo+ICsJCXJldHVybiAtMTsNCj4gKw0KPiArCWlmICh0YmlfZW5hYmxlZCkNCj4gKwkJdGFnID0g cmFuZCgpICYgMHhmZjsNCj4gKw0KPiArCXB0ciA9IChjaGFyICopKCh1bnNpZ25lZCBsb25nKXB0 ciB8ICh0YWcgPDwgVEFHX1NISUZUKSk7DQo+ICsNCj4gKwkqcHRyID0gJ2EnOw0KPiArDQo+ICsJ Li4uDQo+ICt9DQo+ICsNCj4gDQoNCg==